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authorRichard Cochran <richardcochran@gmail.com>2011-04-22 12:03:54 +0200
committerJohn Stultz <john.stultz@linaro.org>2011-05-23 22:10:14 +0200
commitc78275f366c687b5b3ead3d99fc96d1f02d38a8e (patch)
tree279a8cccfc56fd347b4864c3f400935f18244a5f /drivers/ptp
parentptp: Added a brand new class driver for ptp clocks. (diff)
downloadlinux-c78275f366c687b5b3ead3d99fc96d1f02d38a8e.tar.xz
linux-c78275f366c687b5b3ead3d99fc96d1f02d38a8e.zip
ptp: Added a clock that uses the eTSEC found on the MPC85xx.
The eTSEC includes a PTP clock with quite a few features. This patch adds support for the basic clock adjustment functions, plus two external time stamps, one alarm, and the PPS callback. Signed-off-by: Richard Cochran <richard.cochran@omicron.at> Acked-by: David S. Miller <davem@davemloft.net> Acked-by: John Stultz <john.stultz@linaro.org> Signed-off-by: John Stultz <john.stultz@linaro.org>
Diffstat (limited to 'drivers/ptp')
-rw-r--r--drivers/ptp/Kconfig13
1 files changed, 13 insertions, 0 deletions
diff --git a/drivers/ptp/Kconfig b/drivers/ptp/Kconfig
index 70d4bb1cbdab..12eb8447c26b 100644
--- a/drivers/ptp/Kconfig
+++ b/drivers/ptp/Kconfig
@@ -27,4 +27,17 @@ config PTP_1588_CLOCK
To compile this driver as a module, choose M here: the module
will be called ptp.
+config PTP_1588_CLOCK_GIANFAR
+ tristate "Freescale eTSEC as PTP clock"
+ depends on PTP_1588_CLOCK
+ depends on GIANFAR
+ help
+ This driver adds support for using the eTSEC as a PTP
+ clock. This clock is only useful if your PTP programs are
+ getting hardware time stamps on the PTP Ethernet packets
+ using the SO_TIMESTAMPING API.
+
+ To compile this driver as a module, choose M here: the module
+ will be called gianfar_ptp.
+
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